Update poseest.md (#1439)

This space is the root cause of failures in #1437.

RE: #1430

Author: Alextopher

docs/source/docs/examples/poseest.md

@@ -2,7 +2,7 @@
 
 The following example comes from the PhotonLib example repository ([Java](https://github.com/PhotonVision/photonvision/tree/master/photonlib-java-examples/poseest)/[C++](https://github.com/PhotonVision/photonvision/tree/master/photonlib-cpp-examples/poseest)/[Python](https://github.com/PhotonVision/photonvision/tree/master/photonlib-python-examples/poseest)).  Full code is available at that links.
 
-## Knowledge and Equipment Needed 
+## Knowledge and Equipment Needed
 
 - Everything required in {ref}`Combining Aiming and Getting in Range <docs/examples/aimandrange:Knowledge and Equipment Needed>`, plus some familiarity with WPILib pose estimation functionality.